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Finding the Fourth Proportional to 234,468.73, 323,565.74 and 127,038.73

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Solution

The fourth proportional to 234,468.73, 323,565.74 and 127,038.73 is: 175,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,468.73 : 323,565.74 = 127,038.73 : x
  2. Step 2: Convert to fraction form
    234,468.73/323,565.74 = 127,038.73/x
  3. Step 3: Cross multiply
    234,468.73x = 323,565.74 × 127,038.73
  4. Step 4: Simplify right side
    234,468.73x = 41,105,380,320.08
  5. Step 5: Solve for x
    x = 41,105,380,320.08/234,468.73
  6. Step 6: Final answer
    x = 175,312.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.